Vasconcelos (also Vasconcellos) is a Portuguese surname. Today it can be found in Portugal, Brazil, and elsewhere in the Portuguese-speaking world.

• Aires de Ornelas e Vasconcelos (1837–1880), Portuguese Roman Catholic Archbishop of Goa, India, in the 19th century.
• Álvaro de Vasconcelos (born 1944), is a Portuguese author and security analyst
• António-Pedro Vasconcelos (1939–2024), Portuguese film director.
• Augusto de Vasconcelos (1867–1951), Portuguese surgeon, politician and diplomat.
• Carlos Carmelo Vasconcellos Motta (1890–1982), Brazilian cardinal.
• Carolina Michaëlis de Vasconcellos (1851–1925), Portuguese philologist.
• Doroteo Vasconcelos (1803–1883), President of El Salvador in the 19th century.
• Fernanda Vasconcellos (born 1984), a Brazilian movie, theater and television actress.
• Héctor Vasconcelos, Mexican diplomat
• Joe Vasconcellos (born 1959), Chilean musician
• John Vasconcellos (1932–2014), American politician.
• José Leite de Vasconcelos Cardoso Pereira de Melo (1858–1941), Portuguese linguist, philologist and ethnographer.
• José Maria Botelho de Vasconcelos (born 1950), Angolan politician.
• José Mauro de Vasconcelos (1920–1984), Brazilian writer.
• José Vasconcelos (1882–1959), Mexican writer, philosopher and politician.
• Josefina de Vasconcellos (1904–2005), English sculptor.
• Luís de Vasconcelos e Sousa, 3rd Count of Castelo Melhor (1636–1720), Portuguese politician and prime minister.
• Lucile Vasconcellos Langhanke, known as Mary Astor (1906–1987), American actress.
• Luis Mendez de Vasconcellos (c.1542-1623), Portuguese Grand Master of the Knights Hospitaller.
• Maria de Vasconcelos (born 1970), Portuguese psychiatrist, singer and songwriter
• Mário Cesariny de Vasconcelos (1923–2006), Portuguese surrealist poet.
• Marta Teresa Smith de Vasconcellos Suplicy (born 1945), Brazilian politician and psychologist.
• Martha Vasconcellos (born c.1948), Brazilian model and Miss Universe 1968.
• Miguel de Vasconcelos (c.1590-1640), Prime Minister of Portugal in the 17th century.
• Naná Vasconcelos (1944-2016), Brazilian percussionist.
• Pedro Martins, Lord of the Tower of Vasconcelos, 12th-century Portuguese nobleman, son of Martim Moniz and the first to use the name Vasconcelos.
• Pedro Vasconcellos (born 1974), Brazilian television actor.
• Wanda Ribeiro de Vasconcelos, known as Lio (born 1962), Belgian singer and actress

• Ana Vasconcelos (born 1981), Brazilian water polo player.
• Camilo Vasconcelos (born 2005), Canadian soccer player
• Fernando De Almeida Vasconcellos (1919–1996), Brazilian chess master.
• Gabriel Monteiro Vasconcelos (born 1996), Brazilian footballer
• Gabriel Vasconcelos Ferreira (born 1992), Brazilian footballer
• Júlia Vasconcelos (born 1992), Brazilian taekwondo competitor.
• Marco Vasconcelos (born 1971), Portuguese badminton player.
• Ricardo Vasconcelos (born 1997), South African cricketer
• Severino Vasconcelos (born 1953), Brazilian naturalized Chilean football player and manager
• Wálter Vasconcelos Fernandes (1930–1983), Brazilian footballer
• João Vasconcelos (born 2005), Portuguese footballer

• Alfredo Vasconcelos, city in Minas Gerais, Brazil.
• Diogo de Vasconcelos, city in Minas Gerais, Brazil.
• Countess de Vasconcellos, fictional characters of the video game Broken Sword: The Shadow of the Templars.
• Eduardo Vasconcelos Stadium, stadium in Oaxaca, Mexico.
• Ferraz de Vasconcelos, suburban municipality in São Paulo, Brazil.
• Estádio Dr. João Cláudio Vasconcelos Machado, multi-use stadium in Natal, Rio Grande do Norte, Brazil.
• José Vasconcelos Library, in Mexico City, Mexico.
• Senador Vasconcelos, neighbourhood in Rio de Janeiro, Brazil.

• Origin of the Vasconcelos surname in a Portuguese genealogical site
• The Surname "VASCONCELOS"